/**
* This method executes the tasks define in the pipeline.
*
* @access public
* @param BT\Exchange $exchange the given exchange to process
* @param string $id the id of behavior tree to run
* @return integer the status code
*/
public function run(BT\Exchange $exchange, $id = 'BEHAVE')
{
// http://aigamedev.com/open/article/popular-behavior-tree-design/
$factory = new Spring\XMLObjectFactory(Spring\Data\XML::load($this->file));
$registry = $factory->getParser()->getRegistry();
$registry->putEntry(array('action', BT\Task::NAMESPACE_URI), new BT\Object\Factory\ActionElement());
$registry->putEntry(array('blackboard', BT\Task::NAMESPACE_URI), new BT\Object\Factory\BlackboardElement());
$registry->putEntry(array('branch', BT\Task::NAMESPACE_URI), new BT\Object\Factory\BranchElement());
$registry->putEntry(array('breakpoint', BT\Task::NAMESPACE_URI), new BT\Object\Factory\BreakpointElement());
$registry->putEntry(array('composite', BT\Task::NAMESPACE_URI), new BT\Object\Factory\CompositeElement());
$registry->putEntry(array('condition', BT\Task::NAMESPACE_URI), new BT\Object\Factory\ConditionElement());
$registry->putEntry(array('decorator', BT\Task::NAMESPACE_URI), new BT\Object\Factory\DecoratorElement());
$registry->putEntry(array('entry', BT\Task::NAMESPACE_URI), new BT\Object\Factory\EntryElement());
$registry->putEntry(array('leaf', BT\Task::NAMESPACE_URI), new BT\Object\Factory\LeafElement());
$registry->putEntry(array('logger', BT\Task::NAMESPACE_URI), new BT\Object\Factory\LoggerElement());
$registry->putEntry(array('parallel', BT\Task::NAMESPACE_URI), new BT\Object\Factory\ParallelElement());
$registry->putEntry(array('picker', BT\Task::NAMESPACE_URI), new BT\Object\Factory\PickerElement());
$registry->putEntry(array('ref', BT\Task::NAMESPACE_URI), new BT\Object\Factory\RefElement());
$registry->putEntry(array('resetter', BT\Task::NAMESPACE_URI), new BT\Object\Factory\ResetterElement());
$registry->putEntry(array('selector', BT\Task::NAMESPACE_URI), new BT\Object\Factory\SelectorElement());
$registry->putEntry(array('semaphore', BT\Task::NAMESPACE_URI), new BT\Object\Factory\SemaphoreElement());
$registry->putEntry(array('sequence', BT\Task::NAMESPACE_URI), new BT\Object\Factory\SequenceElement());
$registry->putEntry(array('policy', BT\Task::NAMESPACE_URI), new BT\Object\Factory\PolicyElement());
$registry->putEntry(array('stub', BT\Task::NAMESPACE_URI), new BT\Object\Factory\StubElement());
$registry->putEntry(array('tasks', BT\Task::NAMESPACE_URI), new BT\Object\Factory\TasksElement());
$registry->putEntry(array('ticker', BT\Task::NAMESPACE_URI), new BT\Object\Factory\TickerElement());
$registry->putEntry(array('timer', BT\Task::NAMESPACE_URI), new BT\Object\Factory\TimerElement());
if ($factory->hasObject($id)) {
$object = $factory->getObject($id);
if ($object instanceof BT\Task) {
return BT\Task\Handler::process($object, $exchange);
}
}
return BT\Task\Status::ERROR;
}
/**
* This method returns a reference to the XML resource being parsed.
*
* @access public
* @return \SimpleXMLElement a reference to the XML resource
* being parsed
*/
public function getResource()
{
return $this->context->getResources()->getValue(0);
}